Perhaps you should try some spelling variations:
information tests » information test, information tasks, information text
array processing » dairy processing, query processing
stata diffusion » state diffusion, data diffusion, stable diffusion
array string » array strong, arrays strings, array sharing
tests stata » tests data
array using » arrays using

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: information tests stata diffusion ((array using) or (((array string) or (array processing))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information tests stata diffusion ((array using) OR (((array string) OR (array processing)))).
• Adding a wildcard symbol may retrieve word variants: information tests stata diffusion ((array using) or (((array string) or (array processing))))*.